CN212257156U

CN212257156U - On-load tap-changer

Info

Publication number: CN212257156U
Application number: CN202021269866.XU
Authority: CN
Inventors: 陆国强
Original assignee: Wujiang Hexin Machinery Manufacturing Factory
Current assignee: Wujiang Hexin Machinery Manufacturing Factory
Priority date: 2020-07-02
Filing date: 2020-07-02
Publication date: 2020-12-29
Anticipated expiration: 2030-07-02

Abstract

The utility model discloses an on-load tap-changer device, the camera includes a supporting plate, the top fixed mounting of backup pad has the steadying plate, and the top of steadying plate is run through and is installed the steering tube, the top of steering tube is run through and is installed the spout, the inside swing joint of spout has the slider, the fixed surface of slider installs the tap-changer body. This on-load tap-changer, through setting up the spout, can provide the removal space for the tap-changer body, be convenient for adjust the mounted position of tap-changer body through the position change of slider, thereby the flexibility of device use has been promoted, the installation of tap-changer body among the co-altitude has been made things convenient for, pull the slider through the second lifting belt, thereby make the tap-changer body promoted, thereby the mounted position of tap-changer body is adjusted according to actual need, this device simple structure, high durability and convenient use, tap-changer has promoted the adaptability in different occasions.

Description

On-load tap-changer

Technical Field

The utility model belongs to the technical field of on-load tap-changer, concretely relates to on-load tap-changer device.

Background

On-load tap changers have been used worldwide for many years for the uninterrupted switching between different winding step heads of a step transformer. In general, an on-load tap changer according to the principle of rapid switching of resistance comprises: a selector for powerless tap-up of the respective winding tap of the step-variable transformer to which it should be switched; and a load switcher for actually switching to a new preselected winding tap from a previous winding tap. Furthermore, load switches typically have a switch contact and a resistive contact. In this case, the switching contacts serve to connect the respective winding tap directly to the load supply line, and the resistor contacts serve to be temporarily switched on, i.e. bridged by means of one or more switching resistors.

However, the existing on-load tap-changer is lack of a lifting device, so that the position height of the existing on-load tap-changer is difficult to adjust in the installation and use processes, and the installation efficiency is affected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an on-load tap-changer to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an on-load tap-changer device comprises a supporting plate, wherein a stabilizing plate is fixedly mounted at the top of the supporting plate, a steering tube is mounted at the top of the stabilizing plate in a penetrating manner, a sliding groove is mounted at the top of the steering tube in a penetrating manner, a sliding block is movably connected inside the sliding groove, a tap-changer body is fixedly mounted on the surface of the sliding block, a wiring pin is arranged at the top of the tap-changer body, a mounting frame is fixedly mounted at the top of the sliding groove, one end of the mounting frame is fixedly connected with a clamping plate through a bolt, a balance shaft is mounted in the clamping plate in a penetrating manner, a pulley is arranged at one end of the balance shaft, a first lifting belt is sleeved on the surface of the pulley, a linkage rod is mounted in the first lifting belt in a penetrating manner, a connecting plate is fixedly connected at one end of the linkage rod, a triangular support frame is, the inside of first rolling wheel is run through and is installed the spline pole, the one end fixedly connected with second rolling wheel of spline pole, the surface of second rolling wheel is connected with the second lifting belt, one side fixedly connected with hand wheel of second rolling wheel.

Preferably, the supporting plate is a double-layer plane plate, the top of the supporting plate is provided with a plurality of threaded connecting holes in a penetrating manner.

Preferably, the steering tube is provided with a plurality of steering tubes, and the steering tube comprises a steering shaft and a fixed foot.

Preferably, the pulleys are symmetrically arranged about the balance axis, and the longitudinal section of each pulley is I-shaped.

Preferably, the bottom of the triangular support frame is fixedly connected with one side of the support plate, and the inclined rod part of the triangular support frame forms a forty-five degree angle with the ground.

Preferably, one end of the second lifting belt is correspondingly and fixedly connected with a group of linkage rods, and the width and the length of the second lifting belt are respectively equal to those of the first lifting belt.

Preferably, the interior of the hand wheel is correspondingly connected with a spline rod, and a handle is fixedly mounted on the surface of the hand wheel.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) this on-load tap-changer, through setting up the spout, can provide the removal space for the tap-changer body, be convenient for adjust the mounted position of tap-changer body through the position change of slider, thereby the flexibility of device use has been promoted, the installation of tap-changer body among the co-altitude has been made things convenient for, through rotating the hand wheel, accessible second lifting belt pulls the slider, thereby make the tap-changer body promoted, thereby the mounted position of tap-changer body is adjusted according to actual need, this device simple structure, high durability and convenient use, tap-changer has promoted the adaptability of different occasions.

(2) This on-load tap-changer through setting up triangular supports frame, can stabilize the fixed mounting of spout, through setting up the pulley of symmetry to the friction effort between accessible pulley and the lifting belt supports and is spacing to the lifting belt, through setting up the spline pole, after rotating the hand wheel, leads to the rotation of accessible second rolling wheel, drives first rolling wheel rotation and carries out the rolling to the lifting belt through the spline pole, has greatly made things convenient for the use of tap-changer body.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a view of the back of the utility model;

fig. 3 is a partial cross-sectional view of the present invention;

FIG. 4 is a view of the structure of the chute;

fig. 5 is a bottom view structure diagram of the present invention.

In the figure: 1. a support plate; 2. a stabilizing plate; 3. a steering tube; 4. a chute; 5. a slider; 6. a tap changer body; 7. a wiring pin; 8. a mounting frame; 9. clamping a plate; 10. a balance shaft; 11. a pulley; 12. a first lifting belt; 13. a linkage rod; 14. a connecting plate; 15. a triangular support frame; 16. a first winding wheel; 17. a spline bar; 18. a second wind-up wheel; 19. a second lifting belt; 20. a handwheel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 5, the present invention provides a technical solution of an on-load tap changer: the device comprises a supporting plate 1, a stabilizing plate 2 is fixedly installed at the top of the supporting plate 1, a steering tube 3 is installed at the top of the stabilizing plate 2 in a penetrating manner, a sliding groove 4 is installed at the top of the steering tube 3 in a penetrating manner, a sliding block 5 is movably connected inside the sliding groove 4, a tapping switch body 6 is fixedly installed on the surface of the sliding block 5, a wiring pin 7 is arranged at the top of the tapping switch body 6, an installation frame 8 is fixedly installed at the top of the sliding groove 4, one end of the installation frame 8 is fixedly connected with a clamping plate 9 through a bolt, a balance shaft 10 is installed inside the clamping plate 9 in a penetrating manner, a pulley 11 is arranged at one end of the balance shaft 10, a first lifting belt 12 is sleeved on the surface of the pulley 11, a linkage rod 13 is installed inside the first lifting belt 12 in a penetrating manner, a connecting plate 14 is fixedly connected at one end of, a spline rod 17 is installed inside the first winding wheel 16 in a penetrating mode, one end of the spline rod 17 is fixedly connected with a second winding wheel 18, the surface of the second winding wheel 18 is connected with a second lifting belt 19, and a hand wheel 20 is fixedly connected to one side of the second winding wheel 18.

In this embodiment, it is preferred, backup pad 1 is double-deck flat board, and threaded connection hole has run through at the top of backup pad 1 and has seted up, and threaded connection hole is provided with a plurality ofly, through backup pad 1 that sets up double-deck face to the counter weight of multiplicable backup pad 1 is favorable to the installation of firm spout 4 to be fixed.

In this embodiment, preferably, the steering tube 3 is provided with a plurality of, and the steering tube 3 contains steering spindle and fixed footing, through the steering action of steering tube 3, can be when installation spout 4, through the angle of turning to of the fixed spout 4 of steering tube to the adjustment of the 4 angles of spout has been made things convenient for.

In this embodiment, preferably, the pulleys 11 are symmetrically arranged about the balance shaft 10, the longitudinal section of each pulley 11 is i-shaped, and by arranging the symmetrical pulleys 11, the pulleys 11 can support and limit the first lifting belt 12 and the second lifting belt 19, so as to enhance the stability of the lifting belts.

In this embodiment, preferably, the bottom of the triangular support frame 15 is fixedly connected with one side of the support plate 1, the inclined rod part of the triangular support frame 15 forms a forty-five degree angle with the ground, and the triangular support frame 15 is arranged, so that the fixed installation of the sliding chute 4 can be stabilized.

In this embodiment, preferably, one end of the second lifting belt 19 is correspondingly and fixedly connected with the group of linkage rods 13, the width and the length of the second lifting belt 19 are respectively equal to those of the first lifting belt 12, and the first lifting belt 12 and the second lifting belt 19 with the same length and width are arranged, so that the moving stability of the tap changer body 6 can be improved.

In this embodiment, preferably, the inside of the hand wheel 20 is correspondingly connected with one spline rod 17, a handle is fixedly mounted on the surface of the hand wheel 20, the first winding wheel 16 is driven to rotate by the spline rod 17 and wind the lifting belt, and the tap changer body 6 is greatly convenient to use.

The utility model discloses a theory of operation and use flow: this on-load tap-changer can rotate second rolling wheel 18 through rotating hand wheel 20, and through the connection effect of spline bar 17, the rotation of accessible second rolling wheel 18 drives first rolling wheel 16 and rolls first lifting strap 12 to the rolling cooperation slider 5 of accessible rolling wheel to lifting strap promotes tapping switch body 6, so that adjust the mounted position of tapping switch body 6 as required.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An on-load tap changer device, comprising a support plate (1), the top of the support plate (1) is fixedly provided with a stabilizing plate (2), characterized in that: the top of the stabilizing plate (2) is provided with a steering tube (3) in a penetrating manner, the top of the steering tube (3) is provided with a sliding groove (4) in a penetrating manner, the inside of the sliding groove (4) is movably connected with a sliding block (5), the surface of the sliding block (5) is fixedly provided with a tap switch body (6), the top of the tap switch body (6) is provided with a wiring pin (7), the top of the sliding groove (4) is fixedly provided with a mounting frame (8), one end of the mounting frame (8) is fixedly connected with a clamping plate (9) through a bolt, the inside of the clamping plate (9) is provided with a balance shaft (10) in a penetrating manner, one end of the balance shaft (10) is provided with a pulley (11), the surface of the pulley (11) is sleeved with a first lifting belt (12), the inside of the first lifting belt (12) is provided with a linkage rod (13) in, triangular supports frame (15) are installed in the inside of connecting plate (14) through, the first rolling wheel of one end fixedly connected with (16) of first lifting belt (12), the inside of first rolling wheel (16) is run through and is installed spline rod (17), the one end fixedly connected with second rolling wheel (18) of spline rod (17), the surface connection of second rolling wheel (18) has second lifting belt (19), one side fixedly connected with hand wheel (20) of second rolling wheel (18).

2. An on-load tap changer device according to claim 1, characterized in that: the supporting plate (1) is a double-layer plane plate, threaded connecting holes are formed in the top of the supporting plate (1) in a penetrating mode, and the threaded connecting holes are multiple in number.

3. An on-load tap changer device according to claim 1, characterized in that: the steering tube (3) is provided with a plurality of steering tubes, and the steering tubes (3) comprise steering shafts and fixed bottom feet.

4. An on-load tap changer device according to claim 1, characterized in that: the pulleys (11) are symmetrically arranged relative to the balance shaft (10), and the longitudinal section of each pulley (11) is I-shaped.

5. An on-load tap changer device according to claim 1, characterized in that: the bottom of the triangular support frame (15) is fixedly connected with one side of the support plate (1), and the inclined rod part of the triangular support frame (15) forms a forty-five-degree angle with the ground.

6. An on-load tap changer device according to claim 1, characterized in that: one end of the second lifting belt (19) is correspondingly and fixedly connected with a group of linkage rods (13), and the width and the length of the second lifting belt (19) are respectively equal to those of the first lifting belt (12).

7. An on-load tap changer device according to claim 1, characterized in that: the interior of the hand wheel (20) is correspondingly connected with a spline rod (17), and a handle is fixedly mounted on the surface of the hand wheel (20).